A nagging girlfriend, a crying baby maybe,

也许是唠叨的女友或是哭泣的婴儿
some reminder of how miserable his life is.

提醒他自己的生活多么不幸
Which he's taking out on his victims.

所以他才拿被害人发泄
You see, eye contact is a very powerful gauge.

眼神交流是非常有效的手段
It's why you tend to look away from someone you're attracted to.

当你面对吸引你的人时你会转移目光
Because you know instinctively what a dead giveaway it is.

因为直觉上你知道那将暴露自己的内心
But your brain goes there anyway.

但你的大脑已经开始想象
Images,

图像
- fantasies. - Don't flatter yourself.

-幻想 -别自作多情
The eyes don't lie. They dilate.

眼睛不会骗人瞳孔会扩大
It's a chemical response. We can't control it.

这是化学反应我们无法控制
Ok, 15 seconds. What do you see?

好了 15秒你看到了什么